sakula | 0496db5f1104b3c2bc4c4b34dd0004608b814642cde7eac4420cec949da0fb8b

General

Target

0496db5f1104b3c2bc4c4b34dd0004608b814642cde7eac4420cec949da0fb8b.exe
Size

60KB
MD5

b2e9cb2358ab3f79b1723686434daa94
SHA1

e30169dce809d789535ee806fa11c7d3fbb26cea
SHA256

0496db5f1104b3c2bc4c4b34dd0004608b814642cde7eac4420cec949da0fb8b
SHA512

b5cac4971db4f901215af5f6380376b96d46244d1a210f6c26ee564c3a4fab968931396a2b842fb9d9c176248b3f29c5bf4c1733fd8d3c173a453c383ed3043f

Score

10^/10

sakula persistence rat trojan

Malware Config

Signatures

Sakula
Sakula is a remote access trojan with various capabilities.
trojan rat sakula
Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

3888 MediaCenter.exe

pid	process
3888	MediaCenter.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

0496db5f1104b3c2bc4c4b34dd0004608b814642cde7eac4420cec949da0fb8b.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0496db5f1104b3c2bc4c4b34dd0004608b814642cde7eac4420cec949da0fb8b.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0496db5f1104b3c2bc4c4b34dd0004608b814642cde7eac4420cec949da0fb8b.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe"	0496db5f1104b3c2bc4c4b34dd0004608b814642cde7eac4420cec949da0fb8b.exe

Drops file in Windows directory 2 IoCs

Processes:

TiWorker.exe

description	ioc	process
File opened for modification	C:\Windows\Logs\CBS\CBS.log	TiWorker.exe
File opened for modification	C:\Windows\WinSxS\pending.xml	TiWorker.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

MusNotifyIcon.exe

description	ioc	process
Key opened	\Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0	MusNotifyIcon.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	MusNotifyIcon.exe

Modifies data under HKEY_USERS 46 IoCs

Processes:

svchost.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\FrDownloadRatePct = "90"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4172"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3776"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DODownloadMode = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLinkLocalBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCdnBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkUsageBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadRatePct = "100"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyInternetBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "2"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CacheSizeBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkUsageBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\BkDownloadRatePct = "45"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DownloadMode_BackCompat = "1"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCacheHostBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\GroupConnectionCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.087758"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyInternetBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\InternetConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyLanBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyGroupBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PeerInfoCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4240"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLanBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LinkLocalConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CDNConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LANConnectionCount = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

216 PING.EXE

pid	process
216	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe

description	pid	process
Token: SeSecurityPrivilege	1996	TiWorker.exe
Token: SeRestorePrivilege	1996	TiWorker.exe
Token: SeBackupPrivilege	1996	TiWorker.exe
Token: SeBackupPrivilege	1996	TiWorker.exe
Token: SeRestorePrivilege	1996	TiWorker.exe
Token: SeSecurityPrivilege	1996	TiWorker.exe
Token: SeBackupPrivilege	1996	TiWorker.exe
Token: SeRestorePrivilege	1996	TiWorker.exe
Token: SeSecurityPrivilege	1996	TiWorker.exe
Token: SeBackupPrivilege	1996	TiWorker.exe
Token: SeRestorePrivilege	1996	TiWorker.exe
Token: SeSecurityPrivilege	1996	TiWorker.exe
Token: SeBackupPrivilege	1996	TiWorker.exe
Token: SeRestorePrivilege	1996	TiWorker.exe
Token: SeSecurityPrivilege	1996	TiWorker.exe
Token: SeBackupPrivilege	1996	TiWorker.exe
Token: SeRestorePrivilege	1996	TiWorker.exe
Token: SeSecurityPrivilege	1996	TiWorker.exe
Token: SeBackupPrivilege	1996	TiWorker.exe
Token: SeRestorePrivilege	1996	TiWorker.exe
Token: SeSecurityPrivilege	1996	TiWorker.exe
Token: SeBackupPrivilege	1996	TiWorker.exe
Token: SeRestorePrivilege	1996	TiWorker.exe
Token: SeSecurityPrivilege	1996	TiWorker.exe
Token: SeBackupPrivilege	1996	TiWorker.exe
Token: SeRestorePrivilege	1996	TiWorker.exe
Token: SeSecurityPrivilege	1996	TiWorker.exe
Token: SeBackupPrivilege	1996	TiWorker.exe
Token: SeRestorePrivilege	1996	TiWorker.exe
Token: SeSecurityPrivilege	1996	TiWorker.exe
Token: SeBackupPrivilege	1996	TiWorker.exe
Token: SeRestorePrivilege	1996	TiWorker.exe
Token: SeSecurityPrivilege	1996	TiWorker.exe
Token: SeBackupPrivilege	1996	TiWorker.exe
Token: SeRestorePrivilege	1996	TiWorker.exe
Token: SeSecurityPrivilege	1996	TiWorker.exe
Token: SeBackupPrivilege	1996	TiWorker.exe
Token: SeRestorePrivilege	1996	TiWorker.exe
Token: SeSecurityPrivilege	1996	TiWorker.exe
Token: SeBackupPrivilege	1996	TiWorker.exe
Token: SeRestorePrivilege	1996	TiWorker.exe
Token: SeSecurityPrivilege	1996	TiWorker.exe
Token: SeBackupPrivilege	1996	TiWorker.exe
Token: SeRestorePrivilege	1996	TiWorker.exe
Token: SeSecurityPrivilege	1996	TiWorker.exe
Token: SeBackupPrivilege	1996	TiWorker.exe
Token: SeRestorePrivilege	1996	TiWorker.exe
Token: SeSecurityPrivilege	1996	TiWorker.exe
Token: SeBackupPrivilege	1996	TiWorker.exe
Token: SeRestorePrivilege	1996	TiWorker.exe
Token: SeSecurityPrivilege	1996	TiWorker.exe
Token: SeBackupPrivilege	1996	TiWorker.exe
Token: SeRestorePrivilege	1996	TiWorker.exe
Token: SeSecurityPrivilege	1996	TiWorker.exe
Token: SeBackupPrivilege	1996	TiWorker.exe
Token: SeRestorePrivilege	1996	TiWorker.exe
Token: SeSecurityPrivilege	1996	TiWorker.exe
Token: SeBackupPrivilege	1996	TiWorker.exe
Token: SeRestorePrivilege	1996	TiWorker.exe
Token: SeSecurityPrivilege	1996	TiWorker.exe
Token: SeBackupPrivilege	1996	TiWorker.exe
Token: SeRestorePrivilege	1996	TiWorker.exe
Token: SeSecurityPrivilege	1996	TiWorker.exe
Token: SeBackupPrivilege	1996	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0496db5f1104b3c2bc4c4b34dd0004608b814642cde7eac4420cec949da0fb8b.execmd.exe

description	pid	process	target process
PID 1040 wrote to memory of 3888	1040	0496db5f1104b3c2bc4c4b34dd0004608b814642cde7eac4420cec949da0fb8b.exe	MediaCenter.exe
PID 1040 wrote to memory of 3888	1040	0496db5f1104b3c2bc4c4b34dd0004608b814642cde7eac4420cec949da0fb8b.exe	MediaCenter.exe
PID 1040 wrote to memory of 3888	1040	0496db5f1104b3c2bc4c4b34dd0004608b814642cde7eac4420cec949da0fb8b.exe	MediaCenter.exe
PID 1040 wrote to memory of 2488	1040	0496db5f1104b3c2bc4c4b34dd0004608b814642cde7eac4420cec949da0fb8b.exe	cmd.exe
PID 1040 wrote to memory of 2488	1040	0496db5f1104b3c2bc4c4b34dd0004608b814642cde7eac4420cec949da0fb8b.exe	cmd.exe
PID 1040 wrote to memory of 2488	1040	0496db5f1104b3c2bc4c4b34dd0004608b814642cde7eac4420cec949da0fb8b.exe	cmd.exe
PID 2488 wrote to memory of 216	2488	cmd.exe	PING.EXE
PID 2488 wrote to memory of 216	2488	cmd.exe	PING.EXE
PID 2488 wrote to memory of 216	2488	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0496db5f1104b3c2bc4c4b34dd0004608b814642cde7eac4420cec949da0fb8b.exe
"C:\Users\Admin\AppData\Local\Temp\0496db5f1104b3c2bc4c4b34dd0004608b814642cde7eac4420cec949da0fb8b.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1040

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3888

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0496db5f1104b3c2bc4c4b34dd0004608b814642cde7eac4420cec949da0fb8b.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2488

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:216

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1516

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p
1⤵
- Modifies data under HKEY_USERS
PID:1632

C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe
C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:1996

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

2

T1012

Remote System Discovery

1

T1018

System Information Discovery

3

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
2dbac69b2cac955c005766b82c9f2b35

SHA1
10e4d568b4039e7eaa2f94166d84b4929a6ff657

SHA256
eb6c21bdaad228e3e0ee142da7709b1475bb631b89c370b1e1acf31bdca4b087

SHA512
142d7c490f9ed414e6ac61d63484007c9b4c7a5a791707a0c85576fd67efcb155d9680121294f298b8bc177472d71a2daa027f19b48ff432b121a58fca5cd35d

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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
2dbac69b2cac955c005766b82c9f2b35

SHA1
10e4d568b4039e7eaa2f94166d84b4929a6ff657

SHA256
eb6c21bdaad228e3e0ee142da7709b1475bb631b89c370b1e1acf31bdca4b087

SHA512
142d7c490f9ed414e6ac61d63484007c9b4c7a5a791707a0c85576fd67efcb155d9680121294f298b8bc177472d71a2daa027f19b48ff432b121a58fca5cd35d

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads